CN220963079U - Driving rod structure of asymmetric grounding switch - Google Patents

Abstract

The utility model discloses an asymmetric grounding switch driving rod structure, which belongs to the technical field of switch cabinets and comprises an operating cavity arranged on the switch cabinet and an operating handle capable of being inserted into the operating cavity, wherein a grounding switch driving rod is arranged in the operating cavity and is electrically connected with a grounding switch in the switch cabinet, and the operating handle is provided with a control jack matched with the grounding switch driving rod; the switch cabinet is characterized in that an opening is formed in the operation cavity and opposite to the front end of the driving rod of the grounding switch, a stop lever is arranged on the inner side of the opening and is in transmission connection with a driving cylinder arranged on the inner side of the opening, a detector is arranged in the switch cabinet, and the detector is respectively and electrically connected with a breaker arranged in the switch cabinet and the driving cylinder. The utility model solves the problem that an operator can misoperation the grounding switch driving rod when the circuit breaker is in a closing state.

Description

Driving rod structure of asymmetric grounding switch

Technical Field

The utility model relates to the technical field of switch cabinets, in particular to an asymmetric grounding switch driving rod structure.

Background

When the vacuum circuit breaker of the traditional centrally-mounted switch cabinet is in an operation position and in a closing state, the grounding switch cannot be operated to be closed, otherwise, a three-phase grounding short-circuit accident can occur. Moreover, if the ground switch in the opening state is operated to the closing state by an operator due to negligence when the loop is in operation, and the five-prevention locking function of the switch cabinet is just invalid, misoperation accidents of pulling the ground switch with load can occur, three-phase ground short circuit is caused, and serious consequences of casualties and equipment damage are caused; however, the grounding switch driving rod of the traditional centrally-mounted switch cabinet is used as a mechanical interlocking part of the grounding switch and the three-phase bus, has no locking function, and has the risk of preventing misoperation to cause accidents.

Disclosure of utility model

The utility model aims to solve the technical problems to a certain extent, and provides an asymmetric grounding switch driving rod structure which solves the problem that an operator can misoperation a grounding switch driving rod when a circuit breaker is in a closing state.

The utility model aims to solve the problems by adopting the following technical scheme:

The utility model provides an asymmetric earthing switch actuating lever structure, including locating the operating chamber on the cubical switchboard and can insert to the operating handle in the operating chamber, be equipped with earthing switch actuating lever in the operating chamber, earthing switch actuating lever with the cubical switchboard internal connection switch electricity, operating handle is equipped with earthing switch actuating lever assorted control jack, wherein control jack along with operating handle inserts to earthing switch actuating lever and is used for operating earthing switch's start;

The switch cabinet is internally provided with a detector, the detector is respectively connected with a breaker arranged in the switch cabinet and the driving cylinder electrically so as to detect the state of opening or closing of the breaker, and the stop lever is driven by the driving cylinder to extend into the operation cavity in the closing state so as to prevent the operation handle from being inserted into the grounding switch driving rod.

In some embodiments, the blocking lever is disposed at an angle to the ground switch drive lever.

In some embodiments, the stop lever and the ground switch drive lever are disposed perpendicular to each other.

In some embodiments, the switch cabinet is provided with a positioning groove at a position opposite to the opening.

In some embodiments, the stop lever abuts a front face of the ground switch drive lever.

In some embodiments, the end surface of the stop lever, which is in contact with the opening, is provided with a guide protrusion, and the guide protrusion is clamped into a guide groove arranged in the opening.

In some embodiments, a cover plate is arranged on the outer side of the switch cabinet to cover the operation cavity.

Compared with the prior art, the technical scheme provided by the application has the following advantages:

According to the utility model, the operating handle is inserted into the operating cavity, and the control jack of the operating handle is inserted into the grounding switch driving rod, so that the starting of the grounding switch in the switch cabinet is operated by rotating the operating handle, meanwhile, the blocking rod is movably arranged in the operating cavity, when the detector detects that the circuit breaker is in a closing state, the detector transmits information to the driving cylinder, so that the driving cylinder drives the blocking rod to partially extend out of the opening, the blocking rod is blocked at the front position of the grounding switch driving rod, and the control jack of the operating handle cannot be inserted into the grounding switch driving rod, so that the problem that an operator can operate the grounding switch driving rod by mistake in the closing state of the circuit breaker is solved; and when the breaker is in a breaking state, the stop lever is completely retracted inside the opening of the switch cabinet, so that the control jack of the operating handle can be inserted into the grounding switch driving rod.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of an asymmetric earthing switch drive rod structure of the present utility model;

FIG. 2 is a cross-sectional view of the asymmetric earthing switch drive rod structure of the present utility model;

FIG. 3 is a front view of the operating handle of the present utility model;

FIG. 4 is a front view of the asymmetric earthing switch drive rod structure of the present utility model;

fig. 5 is a front view of the asymmetric earthing switch drive rod structure of the present utility model.

Reference numerals illustrate:

100-a switch cabinet; 1-an operating chamber; 2-operating a handle; 3-a grounding switch driving rod; 4-a control jack; 5-opening; 6-stop lever; 7-driving a cylinder; an 8-detector; 9-cover plate; 10-guiding protrusions; 11-a guide groove; 12-positioning groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture, and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1-5, the present utility model proposes an asymmetric grounding switch driving rod 3 structure, which comprises an operation cavity 1 provided on a switch cabinet 100 and an operation handle 2 capable of being inserted into the operation cavity 1, wherein the operation cavity 1 is internally provided with the grounding switch driving rod 3, the grounding switch driving rod 3 is electrically connected with a grounding switch in the switch cabinet 100, the operation handle 2 is provided with a control jack 4 matched with the grounding switch driving rod 3, wherein the control jack 4 of the operation handle 2 is inserted into the grounding switch driving rod 3 for starting the grounding switch; the position in the operating chamber 1 and just grounding switch actuating lever 3 front end is equipped with opening 5 to be equipped with pin 6 in the opening 5 inboard, pin 6 is connected with the drive cylinder 7 transmission that the opening 5 inboard set up, is equipped with detector 8 in the cubical switchboard 100, detector 8 respectively with the circuit breaker and the drive cylinder 7 electric connection that set up in the cubical switchboard 100, in order to detect the state that the circuit breaker breaks the floodgate or closes a floodgate through detector 8, wherein pin 6 receives drive of drive cylinder 7 to stretch into in the operating chamber 1 under the state of closing a floodgate, is used for preventing operating handle 2 from inserting in grounding switch actuating lever 3.

As shown in fig. 1-2, a cover plate 9 is arranged on the outer side of the switch cabinet 100 to cover the operation cavity 1, and the cover plate 9 is hinged on the switch cabinet 100 to protect the operation cavity 1 and the grounding switch driving rod 3 to a certain extent.

In the present embodiment, the operation handle 2 is inserted into the operation chamber 1, and the control insertion hole 4 of the operation handle 2 is inserted into the ground switch driving lever 3, so that the actuation of the ground switch in the switch cabinet 100 is operated by rotating the operation handle 2, while the bar 6 is movably provided in the operation chamber 1.

When the switch cabinet 100 works, when the detector 8 detects that the circuit breaker is in a closing state, the detector 8 transmits information to the driving cylinder 7, so that the driving cylinder 7 drives part of the stop lever 6 to extend out of the opening 5, and the stop lever 6 is blocked at the front position of the grounding switch driving rod 3, so that the control jack 4 of the operating handle 2 cannot be inserted into the grounding switch driving rod 3, and the problem that an operator can misoperation the grounding switch driving rod 3 when the circuit breaker is in the closing state is solved; in the open state of the circuit breaker, the stop lever 6 is fully retracted inside the opening 5 of the switch cabinet 100, so that the control jack 4 of the operating handle 2 can be inserted into the ground switch driving lever 3.

In the embodiment, the stop lever 6 and the grounding switch driving rod 3 are arranged at an included angle, in particular, the stop lever 6 and the grounding switch driving rod 3 are mutually perpendicular, so that the stop lever 6 and the grounding switch driving rod 3 form an asymmetric structure, and the operating handle 2 is blocked by the stop lever 6,

In another embodiment, in order to improve the stability of the stop lever 6 when driven by the driving cylinder 7 to move, a guiding protrusion 10 is arranged on the end surface of the stop lever 6, which is in contact with the opening 5, the guiding protrusion 10 is clamped into a guiding groove 11 arranged on the opening 5, the guiding protrusion 10 and the guiding groove 11 cooperate to play a guiding role when the stop lever 6 moves, further, a positioning groove 12 is arranged at the position of the switch cabinet 100, which is opposite to the opening 5, so that the end part of the stop lever 6, which extends out of the opening 5, is inserted into the positioning groove 12 in a closing state, the stability of the position of the stop lever 6 when blocked is improved, and the stop lever 6 is abutted against the front end surface of the grounding switch driving rod 3, so that the strength of the stop lever 6 is improved, and the stop lever 6 is prevented from being poked and bent when a worker misoperates the operation handle 2 is inserted.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims (7)

1. The asymmetric grounding switch driving rod structure is characterized by comprising an operation cavity arranged on a switch cabinet and an operation handle capable of being inserted into the operation cavity, wherein the operation cavity is internally provided with a grounding switch driving rod which is electrically connected with a grounding switch in the switch cabinet, and the operation handle is provided with a control jack matched with the grounding switch driving rod, wherein the control jack of the operation handle is inserted into the grounding switch driving rod for operating the starting of the grounding switch;

The switch cabinet is internally provided with a detector, the detector is respectively connected with a breaker arranged in the switch cabinet and the driving cylinder electrically so as to detect the state of opening or closing of the breaker, and the stop lever is driven by the driving cylinder to extend into the operation cavity in the closing state so as to prevent the operation handle from being inserted into the grounding switch driving rod.

2. The asymmetric earthing switch drive rod structure of claim 1, wherein the stop rod is disposed at an angle to the earthing switch drive rod.

3. The asymmetric earthing switch drive rod structure of claim 1, wherein the stop rod is disposed perpendicular to the earthing switch drive rod.

4. The asymmetric earthing switch actuating lever structure of claim 1, wherein the switch cabinet is provided with a positioning slot at a position opposite to the opening.

5. The asymmetric earthing switch drive rod structure of claim 1, wherein the stop lever abuts against a front end face of the earthing switch drive rod.

6. The asymmetric earthing switch driving rod structure according to claim 1, wherein an end surface of the stop lever contacting the opening is provided with a guide protrusion, and the guide protrusion is snapped into a guide groove provided in the opening.

7. The asymmetric earthing switch actuating lever structure of claim 1, wherein a cover plate is provided outside the switchgear cabinet to cover the operating chamber.